Hello,
Here are 2 fixes and one improvement for the page fault handling. Those bugs were found while working on indirect draw supports which requires the allocation of a big heap buffer for varyings, and the vertex/tiler shaders seem to have access pattern that trigger those issues. I remember discussing the first issue with Steve or Robin a while back, but we never hit it before (now we do :)).
The last patch is a perf improvement: no need to re-enable hardware interrupts if we know the threaded irq handler will be woken up right away.
Regards,
Boris
Boris Brezillon (3): drm/panfrost: Clear MMU irqs before handling the fault drm/panfrost: Don't try to map pages that are already mapped drm/panfrost: Stay in the threaded MMU IRQ handler until we've handled all IRQs
drivers/gpu/drm/panfrost/panfrost_mmu.c | 20 +++++++++++++++++--- 1 file changed, 17 insertions(+), 3 deletions(-)